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| Number | Title | Issue Date |
| 7355075 | Method of producing imines A method for forming an imine comprises reacting a first reactant comprising a hydroxyl functionality, a carbonyl functionality, or both a hydroxyl functionality and a carbonyl functionality with a second reactant having an amine functionality in the presence of ord... | 04/08/2008 |
| 7291575 | Active, heterogeneous bi- or tri-dentate catalyst A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate complex in certain prescribed proportions. The composition can be fo... | 11/06/2007 |
| 7271231 | Polymerization of olefins Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and ... | 09/18/2007 |
| 7250526 | Transfer hydrogenation process and catalyst A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal hydrocarbyl complex which is coordinated to defined bidentate ligands substituted with at least one group selected from an optionally substituted sulphonated hydr... | 07/31/2007 |
| 7217839 | Method of producing near-infrared absorbing dye compound A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with halogenatin... | 05/15/2007 |
| 7166726 | Aryl substituted 3,4-dihydroanthracene derivatives having retinoid antagonist or retinoid inverse agonist type biological activity Disclosed herein are compounds of the formula wherein R1 is independently H or alkyl of 1 to 6 carbons; R2 is optional and is defined as lower alkyl of 1 to 6 carbons, F, Cl, Br... | 01/23/2007 |
| 7129197 | Synthesis of poly-alpha olefin and use thereof One or more oligomers of an olefin are prepared in the presence of a single-site catalyst. Preferably, the olefin is an α-olefin, and the oligomers are a poly-alpha-olefin (PAO). The PAO so prepared is completely or substantially free of tertiary hydrogen resulting... | 10/31/2006 |
| 7081551 | Optically active (R)-1-(4-trifluoromethylphenyl)ethylamine Optically active (R)-1-(4-trifluoromethylphenyl)ethylamine is a novel compound as an important intermediate for medicines and agricultural chemicals. This compound can be obtained with high optical purity and high yield by a process including the steps of (a) a dehy... | 07/25/2006 |
| 7009079 | Chiral copper complex and production processes thereof and using the same There is disclosed an optically active salicylideneaminoalcohol compound of formula (1): wherein R1 represents an alkyl group or the like, R2 represents an aryl g... | 03/07/2006 |
| 6946420 | Coordination catalyst systems employing chromium support-agglomerate and method of their preparation The present invention is directed to a coordinating catalyst system comprising at least one pre-catalyst selected from late transition metal bidentate or tridentate ligand containing compounds, at least one support-agglomerate having chromium immobilized thereto (e.... | 09/20/2005 |
| 6943224 | Process for preparing supported transition metal catalyst systems and catalyst systems prepared thereby A process for forming a coordination catalyst system comprising sequentially or substantially simultaneously contacting: (I) pre-catalyst reactants comprising (a) at least one first ligand-containing reactant; and (b) at least one first transition metal reactant sui... | 09/13/2005 |
| 6942980 | Methods of identifying compounds having nuclear receptor negative hormone and/or antagonist activities Methods of characterizing and identifying negative hormones of nuclear receptors. Also disclosed are methods of making modulators of retinoid nuclear receptor transactivation activity, assays for agonists, antagonists, and negative hormones of the RAR receptor, and ... | 09/13/2005 |
| 6927261 | Method of making supported transition metal polymerization catalysts and compositions formed therefrom The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a Lewis acid support-... | 08/09/2005 |
| 6914105 | Continuous process for making polymers in carbon dioxide A method for carrying out the continuous polymerization of a monomer in a carbon dioxide reaction medium comprises the steps of: (a) providing an apparatus including a continuous reaction vessel and a separator; (b) carrying out a polymerization reaction in the reac... | 07/05/2005 |
| 6861559 | Iminoamines and preparation thereof A process is described for producing one or more substituted iminoamines, in particular β-unsaturated β-iminoamines, in a single reaction comprising reacting one or more primary amines, alkynes, and isonitriles in the presence of a transition metal catalytic compl... | 03/01/2005 |
| 6844446 | Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors Catalyst compositions useful for the polymerization of olefins are disclosed. These compositions comprise a Group 8-10 metal complex comprising a bidentate or variable denticity ligand comprising one or two nitrogen donor atom or atoms independently substituted by a... | 01/18/2005 |
| 6686345 | DNA-cleaving antitumor agents A chemical composition and method of use of the composition is described. The chemical composition includes an aza-enediyne, aza-enyne allene, or an aza-diallene. These compound are preferably non-hydrolyzable, cationic compounds that bind to nucleic acid... | 02/03/2004 |
| 6683214 | Process for producing -aminoketones An amino group of an -amino acid ester is protected as an imine, and it is then reacted with a halomethyllithium to obtain an N-protected--aminohalomethylketone. Further, this N-protected--aminohalomethylketone is treated with an acid... | 01/27/2004 |
| 6677423 | Polymerization of ethylene Polyethylene is formed by contacting ethylene with a novel iron or cobalt complex of a selected 1,4,7-triaza-3-oxa-1,4,6-heptatriene or 2,5,8-triaza-1,8-nonadiene, optionally in the presence of a cocatalyst such as an alkylaluminum compound. The polymers ... | 01/13/2004 |
| 6596863 | Medical composition containing nitroetheneamine Derivative or salt there of as active constituent Process for producing a nitroetheneamine derivative ##STR1## or its stereoisomer, its tautomer or a salt thereof comprising reacting a compound of the formula ##STR2## with a compound of the formula R6 --CH2 NO2 to obtain ... | 07/22/2003 |
| 6576779 | Catalyst compositions and processes for olefin polymers and copolymers The present invention is directed to certain novel late transition metal salicylaldimine chelates and, further, to novel bidentate ligand compounds of substituted salicylaldimine, and their utility as polymerization catalysts alone or in combination with ... | 06/10/2003 |
| 6552155 | Polyaldimines of oligomeric aminobenzoic acid derivatives, and their use for preparation of moisture-curable, storage-stable, one-part polyreas The invention relates to polyaldimines of formula [1] and their use within moisture curable one part polyurea compositions. ##STR1## wherein j is an integer of 3 to 30 and R2 is unsubstituted homocyclic or heterocyclic aryl radical or alkyl, al... | 04/22/2003 |
| 6509467 | Transfer hydrogenation process A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal neutral hydrocarbyl complex which is coordinated to defined bidentate ligands. Preferred metals include rhodium, ruthenium and iridium. Preferred biden... | 01/21/2003 |
| 6500985 | Process for producing alpha-aminoketones An amino group of an -amino acid ester is protected as an imine, and it is then reacted with a halomethyllithium to obtain an N-protected--aminohalomethylketone. Further, this N-protected--aminohalomethylketone is treated with an acid... | 12/31/2002 |
| 6458979 | Polymerization of ethylene Polyethylene is formed by contacting ethylene with a novel iron or cobalt complex of a selected 1,4,7-triaza-3-oxa-1,4,6-heptatriene or 2,5,8-triaza-1,8-nonadiene, optionally in the presence of a cocatalyst such as an alkylaluminum compound. The polymers ... | 10/01/2002 |
| 6451792 | Medical composition containing nitroetheneamine derivative or salt thereof as active constituent A medical composition containing, as an active constituent, a nitroetheneamine derivative represented by the formula (I): ##STR1## wherein the substituents are as defined in the disclosure, its stereoisomers, its tautomers or a salt thereof.... | 09/17/2002 |
| 6417400 | Methyl-phenyl derivatives, preparation method and use The present invention relates to: a) methylbiphenyl derivatives of general formula: ##STR1## in which R1 represents OH, C3 -C7 alkyl or C3 -C7 cycloalkyl, these compounds being in the form of individual is... | 07/09/2002 |
| 6335303 | Polymerization catalysts containing electron-withdrawing amide ligands The present invention describes methods of making a series of amine-containing organic compounds which are used as ligands for group 3-10 and lanthanide metal compounds. The ligands have electron-withdrawing groups bonded to them. The metal compounds, whe... | 01/01/2002 |
| 6225499 | Process for preparing aminoarylacetylenes This invention provides a process for preparing aminoarylacetylenes comprising reacting a N-arylmethylidene aminoarylhalide with a terminal acetylene in the presence of a base and a catalyst system comprising a palladium catalyst and a cuprous salt to pro... | 05/01/2001 |
| 6100429 | N-benzylidene aminophenylacetylene carbinols This invention provides a process for preparing aminoarylacetylenes comprising reacting a N-arylmethylidene aminoarylhalide with a terminal acetylene in the presence of a base and a catalyst system comprising a palladium catalyst and a cuprous salt to pro... | 08/08/2000 |
| 6093851 | N-(-alkylbenzylidene)--phenylalkylamine, its use and process for producing the same and process for producing intermediate therefor There is disclosed an N-(-alkylbenzylidene)--phenylalkylarmine represented by the general formula (1): ##STR1## wherein R1 represents a lower alkyl group, R2 represents a hydrogen atom, a halogen atom, a lower... | 07/25/2000 |
| 6034273 | N-(arylmethylene)-1-chloro-1-(perfluoroalkyl) methylamine compounds There is provided a process for the preparation of 2-aryl-5-(perfluoroalkyl)pyrrole compounds from N-(arylmethylene)-1-chloro-1-(perfluoroalkyl)methylamine compounds. The 2-aryl-5-(perfluoroalkyl)pyrrole compounds are useful for the control of insect... | 03/07/2000 |
| 5998627 | Preparation and uses of hydrocarbylnitrones Nitrones are produced by reaction of primary amine with aldehyde or ketone, in the presence of a transition metal-containing oxidation catalyst, and a peroxidic compound. The nitrone can then be reacted with a vinylaromatic compound to produce a 2-hydroca... | 12/07/1999 |
| 5990151 | Optically active substituted phenylalkylamine derivatives The present invention relates to an optically active, substituted phenylalkylamine derivative represented by Formula [1]: ##STR1## wherein A is a substituted or non-substituted phenyl or thienyl; X1 is hydrogen, halogen, hydroxyl or a subs... | 11/23/1999 |
| 5969154 | Liquid crystalline diketopyrrolopyrroles A liquid crystalline compound of formula ##STR1## wherein B and D are each independently of the other C6 -C24 alkyl, ##STR2## L is ##STR3## methyl or C10 -C18 alkyl, wherein R1 is ... | 10/19/1999 |
| 5965773 | Process for the preparation of 2-aryl-5-(perfluoroalkyl) pyrrole compounds from N-(perfluoroalkylmethyl) arylimidoyl chloride compounds There is provided a process for the preparation of 2-aryl-5-(perfluoroalkyl)pyrrole compounds from N-(perfluoroalkylmethyl)arylimidoyl chloride compounds. The 2-aryl-5-(perfluoroalkyl)pyrrole compounds are useful for the control of insect and acarid ... | 10/12/1999 |
| 5886224 | -diimines for polymerization catalysts Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal comp... | 03/23/1999 |
| 5847215 | Racemization of optically active amines A process for the racemization of optically active amines of the formula (I), where Ar is an unsubstituted or substituted aryl and R is alkyl, in which a) (I) is reacted with the ketone (II) in which Ar and R have the same meanings as for (I), to give the... | 12/08/1998 |
| 5817834 | Process for the preparation of 2-aryl-5-(perfluoro-alkyl) pyrrole compounds from N-(perfluoroalkyl-methyl) arylimidoyl chloride compounds There is provided a process for the preparation of 2-aryl-5-(perfluoroalkyl)pyrrole compounds from N-(perfluoroalkylmethyl)arylimidoyl chloride compounds. The 2-aryl-5-(perfluoroalkyl)pyrrole compounds are useful for the control of insect and acarid ... | 10/06/1998 |
| 5739337 | Process for preparing dibenzo-1-carboxamido-1,4-azabicyclo3.2.1!octanes Disclosed are a process and novel compounds useful for preparing compounds of formula I ##STR1## wherein R1 and R2 independently represent hydrogen, inorganic or optionally substituted organic substituents; and R3 is ... | 04/14/1998 |
